What Happened?: Samsung Electronics After-Hours Block Deal

After the market closed on September 16, 2025, 446,734 shares of Samsung Electronics were traded for ₩35.4 billion in the after-hours block deal market. Foreign investors net bought ₩1.3 trillion, while the National Pension Service net sold ₩339.6 billion.

Why Did It Happen?: Background and Analysis

The large purchase by foreign investors is interpreted as reflecting Samsung Electronics’ solid fundamentals, the recovery of its DX division, and expectations for investments in future technologies, including AI. On the other hand, the sale by the National Pension Service raises the possibility of short-term profit-taking or portfolio adjustments, and long-term investment perspectives need further observation.

  • Samsung Electronics H1 2025 Earnings: ₩153.7 trillion in sales (5.3% YoY growth), 6.6% growth in DX division, growth in Harman’s automotive components business
  • Active R&D Investment: ₩18.06 trillion invested in future technologies like AI, robots, and automotive semiconductors (11.8% of sales)
  • Solid Financial Health: Stable debt ratio of 26.4%

What’s Next?: Market Impact and Outlook

After-hours block deals can cause short-term stock price volatility, and the impact on the opening and intraday prices of the next trading day is difficult to predict. However, the buying trend by foreign investors is interpreted as a positive signal and could influence market sentiment. Continued monitoring of semiconductor market recovery, global economy, and competitive landscape is necessary.

What Should Investors Do?: Investment Strategy Recommendations

  • Short-term investors: Closely monitor the next trading day’s stock price movements and confirm whether positive momentum continues.
  • Long-term investors: Continuously monitor Samsung Electronics’ fundamentals, performance of future technology investments, semiconductor market conditions, macroeconomic variables, and understand foreign/institutional investor trends to establish investment strategies. Dividend and treasury stock policy changes should also be considered.

※ This report is for investment reference only, and investors are responsible for their own investment decisions.